Top mounted flush valve

Details Top mounted flush valve Top mounted flush valve

1996-06-18

1997-12-02

Phillips, Charles E.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

285 39, E03D 134

Patent

active

056922493

ABSTRACT:
A top mounted flush valve is installed from inside a flush tank and does not require access to the opposite tank wall. A valve body includes an annular chamber receiving a radially enlarged head portion of a flexible resilient seal member. A draw ring is fixed to the remote end of a barrel portion of the seal member. A draw collar has a flange bearing against the body and a cylindrical portion threaded to the draw ring. Rotation of the draw collar outwardly collapses the seal barrel portion, and a seal bead on the seal member head is forced against the inner tank surface. A wall of the body isolates the draw collar from the seal barrel, and the enlarged head portion is wedged into the annular chamber to prevent rotation of the seal member.

REFERENCES:
patent: 3136203 (1964-06-01), Davis
patent: 3348444 (1967-10-01), Brignola
patent: 3879065 (1975-04-01), Kobayashi
patent: 4191409 (1980-03-01), Ballantyne
patent: 4576400 (1986-03-01), Allred et al.
Emhart, POP Fastening Systems Group, "Well-Nuts" Threaded Inserts Brochure.

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